Hypothyroidism
| Hypothyroidism | |
|---|---|
| Classification and external resources | |
Hypothroidism is when the thyroid gland does not make enough thyroid hormone. | |
| ICD-10 | E03.9 |
| ICD-9 | 244.9 |
| DiseasesDB | 6558 |
| MedlinePlus | 000353 |
| eMedicine | med/1145 |
| MeSH | D007037 |
Hypothyroidism is a medical condition. If a person has hypothyroidism, their thyroid gland does not make enough hormones. It can be caused by many factors, but it is more common when a person has insufficient iodine. Severe hypothyroidism in infants can result in cretinism. Symptoms of hypothyroidism include the following: tiredness, headaches, weight gain, dry skin, constipation, and poor concentration.
| Symptoms | Signs |
|---|---|
| Fatigue | Dry, coarse skin |
| Feeling cold | Cool extremities |
| Poor memory and concentration | Myxedema (mucopolysaccharide deposits in the skin) |
| Constipation | Hair loss |
| Weight gain with poor appetite | Slow pulse rate |
| Shortness of breath | Swelling of the limbs |
| Hoarse voice | Delayed relaxation of tendon reflexes |
| Heavy periods (and later light periods) | Carpal tunnel syndrome |
| Abnormal sensation | Pleural effusion, ascites, pericardial effusion |
| Poor hearing |
(periorbital bilateral edema)
Can be a sign of different medical disorders including hypothyroidism.